- [Female Voice] For people who can't see
the oxygen records,
since we're in the middle of the oxygen minimum zone,
about 1% oxygen saturation or three micromolar.
- [Female Voice] How different is that
from when we were closer to the surface?
- [Female Voice] So it's a hundred times
higher at the surface. It's almost,
it was almost 300 micromolar to avoid predators,
save energy.
- [Male Voice] A good core will get you
about 25 centimeters if it all stays in,
- [Male Voice] It seems pretty silty though.
I don't know.
- [Female Voice] Fluffy.
- [Male Voice] Yeah.
- [Female Voice] Hopefully the lower layers
are a little more compacted.
- [Male Voice] Don't count your push cores
before they're in the quiver.
- [Female Voice] That's right.
Definitely an idiom.
- [Male Voice] Yeah. Hey Lisa, this is Paul.
You want a description of what we want the cores for?
- [Female Voice] Yeah.
Tell the people, watching us
what's your plan to do with them?
- [Male Voice] Yeah, so,
we're interested in the bacterial communities
that live in these sediments.
- [Female Voice] If the sediments sometimes
fall out once they're in the quiver
or once they're in there, are they...
- [Male Voice] They're core depths,
so, once I get them in there
and then I pushed down on them,
they're plugged up.
- [Female Voice] Those would be a good two,
a pair, to shoot for,
to try to collect.
- [Male Voice] So I guess we should run the beans
to get rid of the dust here.
It looks like we took a sediment core with the,
with the...
You got a hundred percent.
- [Male Voice] A hundred beans, really?
- [Male Voice] One hundred beans.
(laughter)
- [Female Voice] All the beans.
- [Female Voice] There he goes!
All right. We got 'em.
- [Male Voice] Well, they're not in jar yet.
- [Female Voice] Yeah, check the jar.
(chatter and laughter)
- [Male Voice] Kill the beans.
- [Male Voice] What jar did those go into?
- [Male Voice] Those are number four.
- [Female Voice] This was a nice spot.
- [Female Voice] Worked well for the coring, for sure.
Good fish.
- [Female Voice] Getting more rocks.
- [Female Voice] Hey, rocky bits.
Yeah, it looks like pretty black,
probably from manganese coatings on these.
If not, nice thick crusts,
especially on these larger cobbles here,
don't really have that shiny texture that we're expecting
for phosphorate deposits,
but not quite as bumpy and detrital as crusts can be.
- [Female Voice] They were very smooth though.
- [Male Voice] Sponge on the left.
We were calling this sponge a
dirty barrel sponge for a while.
- [Female Voice] (inaudible), another step,
same baring.
- [Male Voice] Glass sponge.
- [Female Voice] The rocks look very black.
That would be ferromanganese.
- [Female Voice] Yeah, I think so.
- [Female Voice] That oblong thing,
it looks like it only weighs about six tons.
(laughter)
You want to get this? Perfect, this way. Yup.
It's pretty hard.
- [Male Voice] Yeah.
- [Female Voice] Yeah. If it's crystal
(monotone cheering)
- [Female Voice] Well, there's your rock.
- [Male Voice] It wasn't, it wasn't very thick.
I think that one's went down the hill now.
- [Female Voice] You want a picture of the face?
- [Male Voice] Zoom in on it.
- [Female Voice] Oh, interesting.
- [Female Voice] So tell us what we're seeing.
- [Female Voice] Yeah, definitely some kind of
iron manganese deposit.
That really bright red iron staining is kind of unique.
- [Male Voice] That's going to be annoying.
Oh wait.
(chatter)
- [Female Voice] Oh, look at the size of that sponge.
- [Female Voice] Oh my, wow.
- [Female Voice] I bet Paul would love these.
Wow, you got some captures?
- [Male Voice] Yeah, I'm getting some good pictures.
- [Female Voice] Just a giant basalt spire.
They like being high up. Reminds me of cats.
- [Female Voice] Cats?
- [Female Voice] They like vantage points.
- [Female Voice] Ospreys, also.
- [Female Voice] Yeah.
- [Female Voice] Paul, are you there?
Can you speak up on whether you want this or not?
- [Male Voice] What's the texture like?
- [Male Voice] Spongy.
(laughter)
- [Male Voice] Is it a glass sponge?
- [Female Voice] I was saying basalt, but,
there seems to be some kind of layered extras
and that rock could be sedimentary.
- [Male Voice] It's a really strange rock formation.
- [Female Voice] Pretty cool.
- [Female Voice] I like it. We're told it to basalt spire.
- [Female Voice] Well, now that I look though
that you see there's these layering,
that's probably more indicative of sedimentary rock.
So it's...
- [Male Voice] Looks like a horn.
- [Female Voice] Yeah.
- [Male Voice] It's just uplifted into that position.
- [Female Voice] Yeah. Either fell that way
or got squished that way.
- [Female Voice] Ooh. Look at that. So cool.
See all the channels?
Looks like the holes are plugged with sediment. Doesn't it?
- [Male Voice] There's shrimp on there too.
- [Female Voice] Some shrimps.
Oh, there's a polychaete.
I think right there.
Oh, there's shrimp.
- [Male Voice] I think that's a hydroid,
the feathery thing coming up.
- [Female Voice] Hydroid?
- [Male Voice] Hydroid.
- [Female Voice] Another quick test is if you can
crush it at all.
Maybe it's thinner than it looked, it was...
- [Female Voice] It looks like it's more slabby.
- [Female Voice] It was sitting here in kind of a pile.
Get some grabs, thank you data-logger.
- [Male Voice] Getting all the grabs.
- [Female Voice] Thank you.
- [Female Voice] It's a beautiful terebellid on the bottom.
- Hang on there, worm, we want you!
- [Female Voice] Yeah, that looks as good potential
for prospering.
(chatter and excitement)
- [Female Voice] Yes, please.
Crispin is pointing out we got serpulids on there.
Ooh.
Somebody else, or maybe that's it tube.
That's the bed end of the terebellid, pygidium.
- [Female Voice] Some of it (inaudible) looking,
which is interesting.
- [Female Voice] There's brittle star,
sponge, bryozoans,
we're good, we should put it away.
What do you think?
We'll take it, even if it's not.
- [Female Voice] Yeah.
- [Male Voice] Okay. Zoom out.
- [Female Voice] And we don't know, right?
- [Female Voice] Yeah. It's hard to tell.
There were some,
some angular features that were a little off,
but the coloring looks good.
- [Male Voice] Kara, Crispin's asking if you think
the phosphorites will be dateable using micro-fossils.
- [Female Voice] Yeah, there, it depends on the phosphate.
You can have replacement on different scales,
but they definitely have seen some fresh jewels that are
preserved.
Typically with phosphorites,
you can use strontium isotope dating.
- [Male Voice] Can you zoom in on this?
- [Female Voice] A sponge, pretty.
It's a spharia and one other thing.
Notice how the brittle stars
just like the dead part of this bunch,
not the live part.
Beautiful.
I don't think we can take that rock though.
- [Male Voice] No, move it on.
- [Female Voice] Do you see those nice, big,
bubbly textures or,
- [Female Voice] Yeah?
- [Female Voice] I was hoping, I mean,
those are really large bacteroides,
but nice pair of manganese cracks textures,
especially on that side trap.
(chatter)
- [Male Voice] Look at that guy.
- [Female Voice] Ooh, that's pretty.
Can we zoom in on that beautiful anemone?
- [Male Voice] Hey zoom in.
- [Male Voice] Steve here doesn't know what that is.
- [Female Voice] I don't know Steve, do you recognize this?
- [Female Voice] Parallelismus underneath,
look at the anemone though,
at a good spot.
That's beautiful.
- [Male Voice] Good?
(approving chatter)